/**
  * @ODM\PrePersist
  * @return void
  */
 public function onPrePersist()
 {
     parent::onPrePersist();
 }
 /**
  * @ODM\PrePersist
  * @return void
  */
 public function onPrePersist()
 {
     parent::onPrePersist();
     $this->setUnread(true);
     $this->setLockedRecord(true);
 }